Home / 1,680,006.60-2,519,783.10-669,871.80

Finding the Fourth Proportional to 1,680,006.60, 2,519,783.10 and 669,871.80

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Solution

The fourth proportional to 1,680,006.60, 2,519,783.10 and 669,871.80 is: 1,004,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,006.60 : 2,519,783.10 = 669,871.80 : x
  2. Step 2: Convert to fraction form
    1,680,006.60/2,519,783.10 = 669,871.80/x
  3. Step 3: Cross multiply
    1,680,006.60x = 2,519,783.10 × 669,871.80
  4. Step 4: Simplify right side
    1,680,006.60x = 1,687,931,640,806.58
  5. Step 5: Solve for x
    x = 1,687,931,640,806.58/1,680,006.60
  6. Step 6: Final answer
    x = 1,004,717.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.